# 阶乘 4 * 3 * 2 * 1

# def factorial(n):
#     if n == 1:
#         return 1
#     else:
#         return n * factorial(n - 1)
#
#
# print(factorial(5))


# 斐波那契数列
# def feb(n):
#     if n < 3:
#         return 1
#     else:
#         return feb(n - 1) + feb(n - 2)
#
#
# print(feb(6))

import sys

print(sys.getrecursionlimit())
